1 /*
2 For general Scribus (>=1.3.2) copyright and licensing information please refer
3 to the COPYING file provided with the program. Following this notice may exist
4 a copyright and/or license notice that predates the release of Scribus 1.3.2
5 for which a new license (GPL+exception) is in place.
6 */
7 /***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16 #include "canvasmode_measurements.h"
17
18 #include <QApplication>
19 #include <QPainter>
20 #include <QPen>
21
22 #include "appmodes.h"
23 #include "canvas.h"
24 #include "scribusdoc.h"
25 #include "scribusview.h"
26 #include "ui/measurements.h"
27 #include "util_math.h"
28
29
MeasurementsMode(ScribusView * view)30 MeasurementsMode::MeasurementsMode(ScribusView* view) : CanvasMode(view), m_start(0,0), m_current(0,0)
31 {
32 m_palette = new Measurements(m_view);
33 m_palette->startup();
34 m_palette->hide();
35 connect( m_palette, SIGNAL(paletteShown(bool)), this, SLOT(setActive(bool)));
36 }
37
enterEvent(QEvent * e)38 void MeasurementsMode::enterEvent(QEvent *e)
39 {
40 m_view->setCursor(QCursor(Qt::CrossCursor));
41 }
42
leaveEvent(QEvent * e)43 void MeasurementsMode::leaveEvent(QEvent *e)
44 {
45 }
46
setActive(bool active)47 void MeasurementsMode::setActive(bool active)
48 {
49 if (!active)
50 m_view->requestMode(modeNormal);
51 }
52
53
activate(bool fromGesture)54 void MeasurementsMode::activate(bool fromGesture)
55 {
56 CanvasMode::activate(fromGesture);
57 m_palette->show();
58 }
59
deactivate(bool forGesture)60 void MeasurementsMode::deactivate(bool forGesture)
61 {
62 m_palette->hide();
63 CanvasMode::deactivate(forGesture);
64 }
65
drawControls(QPainter * p)66 void MeasurementsMode::drawControls(QPainter* p)
67 {
68 p->save();
69 p->setRenderHint(QPainter::Antialiasing);
70 p->setBrush(Qt::NoBrush);
71 p->setPen(QPen(Qt::black, 1.0, Qt::DotLine, Qt::FlatCap, Qt::MiterJoin));
72 p->drawLine(m_start, m_current);
73 p->restore();
74 }
75
keyPressEvent(QKeyEvent * e)76 void MeasurementsMode::keyPressEvent(QKeyEvent *e)
77 {
78 commonkeyPressEvent_Default(e);
79 }
80
keyReleaseEvent(QKeyEvent * e)81 void MeasurementsMode::keyReleaseEvent(QKeyEvent *e)
82 {
83 commonkeyReleaseEvent(e);
84 }
85
mouseReleaseEvent(QMouseEvent * m)86 void MeasurementsMode::mouseReleaseEvent(QMouseEvent *m)
87 {
88 if (m_active)
89 {
90 m->accept();
91 adjustPoint(m->globalPos());
92 }
93 m_active = false;
94 showValues();
95 }
96
mouseMoveEvent(QMouseEvent * m)97 void MeasurementsMode::mouseMoveEvent(QMouseEvent *m)
98 {
99 if (m_active)
100 {
101 m->accept();
102 adjustPoint(m->globalPos());
103 showValues();
104 }
105 else
106 {
107 FPoint mousePointDoc = m_canvas->globalToCanvas(m->globalPos());
108 m_canvas->displayCorrectedXYHUD(m->globalPos(), mousePointDoc.x(), mousePointDoc.y());
109 }
110 }
111
mousePressEvent(QMouseEvent * m)112 void MeasurementsMode::mousePressEvent(QMouseEvent *m)
113 {
114 m->accept();
115 m_active = true;
116 adjustPoint(m->globalPos());
117 m_start = m_current;
118 m_startDoc = m_currentDoc;
119 showValues();
120 }
121
adjustPoint(QPoint globalPoint)122 void MeasurementsMode::adjustPoint(QPoint globalPoint)
123 {
124 QPoint point = globalPoint - (m_canvas->mapToParent(QPoint(0, 0)) + m_canvas->parentWidget()->mapToGlobal(QPoint(0, 0)));
125 m_canvas->update(QRect(m_start, m_current).normalized().adjusted(-1,-1,1,1));
126 m_current = point;
127 m_currentDoc = m_canvas->localToCanvas(m_current) - FPoint(m_doc->currentPage()->xOffset(),m_doc->currentPage()->yOffset());
128 }
129
showValues()130 void MeasurementsMode::showValues()
131 {
132 double dx = m_currentDoc.x() - m_startDoc.x();
133 double dy = m_currentDoc.y() - m_startDoc.y();
134 m_palette->setValues(m_startDoc.x(), m_startDoc.y(), m_currentDoc.x(), m_currentDoc.y(), -xy2Deg(dx, dy), sqrt(dx*dx + dy*dy));
135 m_canvas->update(QRect(m_start, m_current).normalized());
136 }
137